Objective: This study aimed to analyze imaging and clinical data of patients with severe and critical coronavirus disease 2019 (COVID-19) with different prognoses and provide help for clinical decision-making. Method: Clinical data and chest imaging computed tomography (CT) of patients with severe and critical COVID-19 were collected. Clinical data included: blood routine indexes. C-r... https://www.danddcollectiblers.shop/product-category/essential-vitamins/